Home / 7,867.14-10,857.69-4,723.53

Finding the Fourth Proportional to 7,867.14, 10,857.69 and 4,723.53

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Solution

The fourth proportional to 7,867.14, 10,857.69 and 4,723.53 is: 6,519.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,867.14 : 10,857.69 = 4,723.53 : x
  2. Step 2: Convert to fraction form
    7,867.14/10,857.69 = 4,723.53/x
  3. Step 3: Cross multiply
    7,867.14x = 10,857.69 × 4,723.53
  4. Step 4: Simplify right side
    7,867.14x = 51,286,624.45
  5. Step 5: Solve for x
    x = 51,286,624.45/7,867.14
  6. Step 6: Final answer
    x = 6,519.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.